*{
    margin:0;
    padding:0;
}
/*body{*/
    /*background-color: cadetblue;*/
/*}*/
#parent{
    position: relative;
    /*margin: 50px auto;*/
    height: 100%;
    width: 100%;
    /*width: 500px;*/
    /*height: 309px;*/
}

#uls{
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#img_ul{
    position: absolute;
    left: 0;
    top: 0;
    width: 3000px;           /*多留出一张图片的宽度！*/
    list-style: none;
}
#img_ul li{
    float: left;
    width: 467px;
    height: 309px;
}
#img_ul li img{
    width: 467px;
    height: 309px;
}

#litCir_ul{
    position: absolute;
    right: 10px;
    bottom: 10px;
    list-style: none;
}
#litCir_ul li{
    float: left;
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    border-radius: 50%; 
    margin-left:10px ;
    cursor: pointer;
}

li.active{
    background-color: rgba( 30,159,255, 0.8);

}
li.quiet{
    background-color: rgba(255,255,255, 0.5);
}

#buttons{
    display: none;
}
#buttons span{
    position: absolute;
    width: 40px;
    height: 40px;
    top: 50%;
    margin-top: -20px;
    line-height: 40px;
    text-align: center;
    font-weight: bold;
    font-family: Simsun;
    font-size: 30px;
    border: 1px solid #fff;
    opacity: 0.3;
    cursor: pointer;
    color: #fff;
    background: black;
}
#buttons span:hover{
    opacity: 1;
    color: white;

}

#Htitle{
    position: absolute;
    width: 140px;
    height: 40px;
    top: 10%;
    margin-top: -20px;
    line-height: 40px;
    text-align: center;
    font-weight: bold;
    font-family: Simsun;
    font-size: 30px;
    /*border: 1px solid #fff;*/
    opacity: 0.9;
    cursor: pointer;
    color: #fff;
    /*background: black;*/

}

.imgText{
    position: absolute;
    /*width: 140px;*/
    height: 40px;
    top: 20%;
    margin-top: -20px;
    line-height: 40px;
    text-align: center;
    text-indent: 30px;
    font-weight: bold;
    font-family: Simsun;
    font-size: 20px;
    /*border: 1px solid #fff;*/
    opacity: 0.9;
    cursor: pointer;
    color: #fff;
}

#left{
    left: 5px;
}
#right{
    left: 100%;
    margin-left: -45px;
}